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Retired NBME 21 Answers

nbme21/Block 1/Question#28 (reveal difficulty score)
A 47-year-old man is brought to the emergency ...
Mixed venous oxygen tension ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
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 +19  upvote downvote
submitted by โˆ—nicnac20(21)
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dxieM snuove exgony nteinso si eht ontmua of genxoy oubdn to homgeiobln as ti sruertn ot eht gitrh dsie of teh treha areft argvletni ot hte ustss.ei

csreedaDe yngoex ivleedyr ot het ssiutse eud to eeeaddcrs dicraca optuut sadel to eth sssuite crntgxeiat roem yxgeon ofmr the ipngsas CRsB nath hyte rymollan ,oulwd ichwh eercedssa hte overall demxi eosvun neoygx sit.enon

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pparalpha  A hefulpl unaioeqt si tCre=Oa fo O2 elrorma/ptictn(iuason O2 sovettueocnnn- O2 co)tet:nn kFic pecnlipir I f CO is sera,cdede hnte the feifcdenre nteebew trraliea O2 ncetnot nad oenuvs O2 nnetcto si enerasidc +19
misterdoctor69  To cfayilr a ieltlt bti, teh ssetuis nu'oltdw ilayscesrne cxratet RMOE gxoyne morf the gnassip RCsB htna ehty almlnryo lwduo. eyTh udwlo txreatc eht esam onutma sa tyeh mrlolayn owudl ot rycar tuo ihert won snin.fctou oe,vHrew eecasub eth snigttra omautn fo 2O vdieldeer to sseistu is wl,reo oud'y ned pu ithw sesl O2 bodun ot ihonbemgol ugnntirre ot eth trgih arthe. +5
doso2222  traHe feiraul -g-t;& radsecdee ccarida optuut t--g&; erswol olodb taolunicicr miet obdo(l si eomr t)nagtans ;gt&-- nstraelat to iancredes yexgno tiaxeotcrn yb setusis dan ehfeoretr elsrow xgeony otnsnei by teh meit it nrurset to het rhgit tare.h +



 +2  upvote downvote
submitted by โˆ—kentuckyfan(47)
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I gte why eth mdixe euonsv egyxon nstioen a.eese, d,wreceHrodv 'tnis hte itcsmesy csavrlau setraesnci lsao ade?srdece

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yb_26  o,n derdsaeec OC =;t&g arrpehilpe toonsrtcviincaos g;=&t VSR lwil eb arnseiced +8
yssya1992  No SRV lwli esiraenc ued ot RASA adn SAN thsta why ew eecaresd rloefadta ni FH mertnteat ( IC,EA BRAs ) +6
snafull  Wltn'odu ayolnrmpu salcarvu ntsiceares olas be edseeracd ehre ued ot ruoampyln lvdoaaiinost ni het esttgni fo na ?IM +
cienfuegos  ll:@ansfu my itanlii hohutgt si ttah we owdlu see naropymlu tnicaioscvnosort asbeceu fo teh ytelvielar olw xoyeng tnieons t(aht eustrls rfom eht lwo riaaccd )put.otu +3



 +1  upvote downvote
submitted by paloma(10)
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Wtah btuoa lrauymonp avursalc escerniat?s It owslfol eht istycesm varcsual sat?eicsenr

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cooldudeboy1  cerklcas aer aedhr lrllteiaayb so ehrte is umpl optha ihhcw seadl to ecrdiasen lump varulasc cse,senrita ecnis ssmiecty lbood wlsof noti the u.nlsg ny a kbclo in eth flwo ehdaa n)usg(l liwl eersinac srteicanes ni wlfo hindeb ( ceytimss ) +4
mrglass  Tshi tetpina is hpcoxiy adncreise uodnisfif cie.antds ihTs aesusc umnralpoy .ntvstsonocracioi Oridalrniy shit pernoses is ddeiesgn to unhst loodb ot trsap fo eth lguns ttah are llew vtdne,lieat btu the senrseop si iaaltvaempd in gaolbl xphoyia +4
happyhib_  I ondt bieelve deecersad onesvu exgnyo nietons udowl edla to aoprnylmu aoinrvcscoonitst (stih is aypylclti ni het itgesnt of wlo 2APO uoy ees hsti; giutnhsn ooldb aywa mrof oylrop gxdtyeeoan laeoiv.l) You acn get ot ercdesnai ymrunaopl svralcau erastisenc eud ot lmpu medae ormf tfLe ahtre ianlfgi ielgand ot flidu vaoolrde in pmlu )vsrealuuat.c +



 -5  upvote downvote
submitted by โˆ—hayayah(1212)
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idMex onevus noyexg rutoasinta )Ov2S( is semduaer ni eth uylmpoarn t.rryea v2SO lsmseap teh uret mixde nvoues boold ainevlg eht thrig rth.ea senteemruaM of diexm vunseo nogeyx uattaornis )(S2Ov ofmr het rmylupona tyarre ash ebne dcoavated sa na citienrd dnexi of stueis nagxitneoo.y

nI ecigianrocd shcko uoy avhe eredadsce CO t-;&-g seraecded 2O evideylr --;g&t crsadeede O.2Sv

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